test(service-analytics): a measure currency over a fixed field may only restate its code — the two chain pins move to the dynamic field

Claude-Session: https://claude.ai/code/session_01Utp6Ca8jzC2P7EAQvqjNBb
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

packages/services/service-analytics/src/__tests__/currency-mode-relay.test.ts

@@ -98,10 +98,12 @@ const DATASET = DatasetSchema.parse({
     { name: 'm_nomode', aggregate: 'sum', field: 'amt_nomode' },
     { name: 'm_emptycfg', aggregate: 'sum', field: 'amt_emptycfg' },
     { name: 'm_bare', aggregate: 'sum', field: 'amt_bare' },
-    // An explicit measure `currency` wins over every field-side answer,
-    // the field's FIXED currency included.
+    // An explicit measure `currency` wins over a dynamic field's tenant
+    // default. [ADR-0144 M0-3] Over a FIXED field it may only restate the
+    // field's code: a contradicting one is refused at compile
+    // (`measure-currency-coherence.ts`, record-currency-analytics.test.ts).
     { name: 'm_explicit_dynamic', aggregate: 'sum', field: 'amt_dynamic', currency: 'JPY' },
-    { name: 'm_explicit_fixed', aggregate: 'sum', field: 'amt_fixed', currency: 'JPY' },
+    { name: 'm_explicit_fixed', aggregate: 'sum', field: 'amt_fixed', currency: 'EUR' },
     { name: 'm_units', aggregate: 'sum', field: 'units' },
   ],
 });
@@ -220,11 +222,11 @@ describe.each<Shape>(['raw', 'parsed'])('[#20091] result-column currency honours
     expect(preview.m_bare).toBe('USD');
   });
 
-  it('an explicit measure currency wins, over a dynamic field and over a fixed one', () => {
+  it("an explicit measure currency wins over a dynamic field, and restates a fixed one's code", () => {
     expect(live.m_explicit_dynamic).toBe('JPY');
     expect(preview.m_explicit_dynamic).toBe('JPY');
-    expect(live.m_explicit_fixed).toBe('JPY');
-    expect(preview.m_explicit_fixed).toBe('JPY');
+    expect(live.m_explicit_fixed).toBe('EUR');
+    expect(preview.m_explicit_fixed).toBe('EUR');
   });
 
   it('CONTROL: a non-monetary measure carries no currency', () => {

packages/services/service-analytics/src/__tests__/query-dataset.test.ts

@@ -153,8 +153,11 @@ describe('AnalyticsService.queryDataset', () => {
     expect(r.fields.find((f: any) => f.name === 'revenue')?.currency).toBe('GBP');
   });
 
-  it('chain: an explicit measure currency wins over the field default and the tenant ctx', async () => {
-    const svc = pricedSvc([{ stage: 'Won', revenue: 1000 }], (_o, f) => f === 'amount' ? { type: 'currency', defaultCurrency: 'EUR' } : undefined);
+  // [ADR-0144 M0-3] Over a FIXED field a measure currency may only restate the
+  // field's code — a contradicting one is refused at compile
+  // (`measure-currency-coherence.ts`, pinned in record-currency-analytics.test.ts).
+  it('chain: an explicit measure currency wins over the tenant ctx on a dynamic field', async () => {
+    const svc = pricedSvc([{ stage: 'Won', revenue: 1000 }], (_o, f) => f === 'amount' ? { type: 'currency' } : undefined);
     const r = await svc.queryDataset(moneyDataset({ currency: 'JPY' }), { dimensions: ['stage'], measures: ['revenue'] }, { tenantId: 'o', currency: 'GBP' } as ExecutionContext) as any;
     expect(r.fields.find((f: any) => f.name === 'revenue')?.currency).toBe('JPY');
   });